The act of deliberately immersing yourself in the source material of a soon-to-be-released film adaptation so that you can claim to have been a fan before the film. This means that even if the film is good and people like it, you can tell them that it "wasn't as good as the original novel/comic/whatever" and feel smugly superior in your broader understanding of the franchise as if you were a genuine long-term fan.

When I heard they were making a film of Kick-Ass, I performed a Bandwagon Dodge by reading the original comics and then telling all my friends after we'd seen and enjoyed the film that I thought it "was good, but lacked the realistic grittiness and intellectual thematic content of the original comic" which I had read about a week earlier.